PROTECT YOUR BIKE — Don't make it easy for thieves to steal your bike.The bike lock is made of 8 piece of alloy structure steel links ? high tenacity and fatigue strength, strong and high toughness prevents from being sheared by the 9T hydraulic cut, providing maximum security against theft. HARDENED STEEL MATERIAL AND WATERPROOF MATERIAL — We have designed our links to be stronger more robust and more secure,the lock is covered by ABS rubber lacquer which is will not hurt your skin and protect the lock from water, rust, corrosion. The rivets incorporated within our bicycle lock have been designed with high strength technology to stand up against sawing and cutting for added protection. FOUR-DIGIT PASSWORD COMBINATION — Smart 4-digit resettable combination, with a choice off 100,000 different combinations, much safer than other locks.And the lock is without keys? no need to worry about forgetting or losing the keys. MULTI-PURPOSE FOLDING LOCK — This alloy lock suitable for various bikes?such as mountain bikes, road bikes, folding bikes , kids bikes and motorcycle as well as locking up items around the house, the garage, the construction site or the farm.And the bike lock is also a nice choice for gifts. FAST AND EASY TO USE — The package contains components and tools that can be installed with the bicycle lock to facilitate the combination of the bicycle and the lock.The convenient design ensures the cycle lock easy to carry and placement in the portable bike lock case.